Radiant heating unit

Details Radiant heating unit Radiant heating unit

1986-05-28

1987-12-15

Paschall, M. H.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

219467, 219544, 219548, 219536, 219457, H05B 368, H05B 318

Patent

active

047135271

ABSTRACT:
In a radiant heating unit, an insulating support for carrying a radiant heating resistor is molded or pressed using a granulation of expanded clay materials, particularly expanded mica or vermiculite. The granulation is compressed and bound in a blank by a mineral binder, particularly water glass, and the heating resistor is positively secured in the moulded granulation by embedding parts of the resistance wire forming the resistor, in such a way that the resistor is in part free of the insulating support on the front. The heating resistor can be embedded during production of the insulating support or can subsequently be pressed into the support. The insulating support of the heating unit is low in weight and easy to manufacture, has optimum electrical and thermal insulating properties and has very good strength, whereby the heating unit has a long service life.

REFERENCES:
patent: 3904539 (1975-09-01), Ruff
patent: 4471214 (1984-09-01), Gossler et al.
patent: 4590360 (1986-05-01), Maintenaz
DE-Buchi: H. Salmang: Springer Verlag: Die Physikalischen und Chemischen Grundlagen der Keramik 4.verbesserte Aufl. Kap.VIII, Berlin/Gottingen/Heidelberg, 1958, S. 252-257.
German Search Report for German Appln. No. P 3519350.6.

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